1 to introduce (sb to sb)

2 to give a presentation

3 to present (sb for a job etc)

4 introduction

1 to enter

2 to go into

3 to join

4 to become a member of

5 to confirm or agree with

6 abbr. for 入聲|入声[rù shēng]

1 to check in (at a hotel etc)

1 entrance

2 to import

1 to become a member

2 to join

3 to mix into

4 to participate in

5 to add in

1 to swarm in (of people etc) (idiom)

1 lit. to go up to heaven or down to Hades (idiom)

2 fig. to go to great lengths

3 to search heaven and earth

1 lit. there is no road to the sky, nor door into the earth (idiom)

2 fig. to be at the end of one's rope

3 to be trapped in a hopeless situation

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

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