入

to enter / to go into / to join / to become a member of / to confirm or agree with / abbr. for 入聲|入声[ru4 sheng1]

radical in Chinese characters (Kangxi radical 4) / see 撇[pie3]

Right-falling stroke

to merge into / to incorporate in

to enter by exploiting a weak spot (idiom); to take advantage of a lapse

lit. to go up to heaven or down to Hades (idiom) / fig. to go to great lengths / to search heaven and earth

lit. there is no road to the sky, nor door into the earth (idiom) / fig. to be at the end of one's rope / to be trapped in a hopeless situation

out of step with current thinking / outmoded / inappropriate for the occasion

How do you catch the tiger cub without entering the tiger's lair? (idiom); Nothing ventured, nothing gained.

unbearable to look at / an eyesore

to be unable to get in / to fail to find a proper approach to handling sth

to be unable to get into (a house, an organization, a field of study, a particular type of career etc)

to swarm in (of people etc) (idiom)

hole in one (golf)