Defend, protect, guard, safeguard

DEFEND (защищать, оборонять): he defended his family; he defended them from the attackers; they defended their town from/against the enemy (from/against attack); they will defend their country; he defended himself with a stick; defend yourself; defend your rights (your beliefs); he tried to defend his point (his decision); he hired a good lawyer to defend him in court; defend a case; defend a suit; the champion defended his title successfully.

PROTECT (защищать, охранять, предохранять от): parents must protect their children from bad influence (from infectious diseases); wear sunglasses to protect your eyes from the sun; this cream will protect your skin from/against sunburn; protect iron from corrosion; protect forests from fire; protect property from intruders; protect from harm (from injury, from danger, from loss, from insult; from attack, from intruders); they protect their own interests.

GUARD (охранять, сторожить; оберегать от): guard the prison (the prisoners); guard the door; guard a camp; guard a secret; guard one's reputation; parents must guard their children from bad influence (from infectious diseases); try to guard against infection (against temptation); check your spelling regularly to guard against typical mistakes; guard one's temper (one's tongue).

SAFEGUARD (охранять, предохранять, гарантировать от): she is trying to safeguard her interests (her rights, her privacy, her health); schools must safeguard the children from harm; this medicine will safeguard you against the return of the illness; new measures to safeguard the industry against/from foreign competition.

SHIELD (защищать, заслонить): she shielded her eyes from the bright light with her hand; he shielded the child with his own body; he lied to the police to shield his younger brother; he has always tried to shield her from harm (from danger, from gossip, from blame); shield from prosecution; shield from invasion; new measures to shield the companies from foreign competition.

Fall, drop

FALL (падать): I fell and hurt my elbow; she tripped over a stone and fell; the cup fell and broke; snow is falling; rain is falling; the temperature fell ten degrees; prices fell by 20 percent; leaves fall from the trees in autumn; he fell from the bicycle; he fell on his knees; fall down; fall to the ground; fall to the floor; his voice fell to a whisper; his birthday falls on a Sunday this year; the stress falls on the first syllable; their choice fell on him; suspicion fell on her; the river falls into the sea; fall into place; fall into a trap; fall into a habit; fall in love; fall to pieces; fall on one's feet; fall out of use; fall victim to someone's trick; fall asleep; fall ill; fall flat; fall short.

DROP (падать, ронять, прекращать, капать): the temperature dropped twenty degrees; prices dropped sharply; sales dropped by 50 percent; the number of visitors dropped from 500 to 75; he dropped to his knees; he dropped his voice; Drop dead! I dropped my keys; she dropped her glasses; drop me at the corner; drop me a line; drop a word for me; drop a hint; drop into a habit; let's drop the subject; she dropped old friends; he dropped his studies; she drops her t's at the end of words; she dropped out of school; he dropped from sight; drop from a competition; light rain dropped; water drops from the roof; drop a tear over something.

Note: DRIP (капать): the water tap is dripping; I was dripping wet; he was dripping with blood.