to oppose; to be against; to object to

to react; to respond; reaction; response; reply; chemical reaction; CL:個|个[ge4]

contrary; in reverse; inside out or upside down; to reverse; to return; to oppose; opposite; against; anti-; to rebel; to use analogy; instead; abbr. for 反切[fan3 qie4] phonetic system

to resist; to rebel

on the contrary; instead

to strike back; to beat back; to counterattack

to mirror; to reflect; mirror image; reflection; (fig.) to report; to make known; to render

variant of 反覆|反复[fan3 fu4]

to reflect; reflection (from a mirror etc); reflex (i.e. automatic reaction of organism)

unusual; abnormal

to reflect upon oneself; to examine one's conscience; to question oneself; to search one's soul

conversely; in reverse order; in an opposite direction

to be disgusted with; to dislike; bad reaction; antipathy

to retort; to refute

anti-terrorism; to fight against terrorism

to renege; to go back (on a deal); to back out (of a promise)

reactor

to rebel; to revolt

(coll.) but on the contrary; but instead

to bounce; to bounce back; to boomerang; to ricochet; rebound (of stock market etc); bounce; backlash; negative repercussions

retching; vomiting

to send back information; feedback

opposite direction; reverse

reverse side; backside; the other side (of a problem etc); negative; bad

reversal; inversion; to reverse; to invert (upside down, inside out, back to front, white to black etc)

to counterattack; a counteroffensive

to think back over sth; to review; to revisit; to rethink; reflection; reassessment

(nuclear etc) reactor

villain (of a drama etc)

counterrevolutionary

locked in (with the door locked from the outside)

repercussions; reaction; echo

to reflect light

unstable; erratic; changeable; fickle

counterintelligence; protection against espionage

anti-war

opposition faction

anti-tank

reaction; reactionary

on the other hand...; conversely...

opposition (political) party

antimatter

dissenting vote

to quarrel; to fall out with sb

(Chinese opera) to play a role outside of one's specialty; (modern) to play a transvestite role; to masquerade as an opponent

antonymous; (genetic) antisense

anti-Xi (Jinping)

counterexample

to toss and turn