1 grave

2 serious

3 severe

4 critical

1 tight

2 strict

3 close at hand

4 near

5 urgent

6 tense

7 hard up

8 short of money

9 to tighten

1 nervous

2 keyed up

3 intense

4 tense

5 strained

6 in short supply

7 scarce

8 classifier: 阵 zhèn

1 hurriedly

2 without delay

1 surname Yan

1 lit. to bite the teeth tightly (idiom); fig. to grit one's teeth and bear the pain

2 to bite the bullet

1 to be strict with oneself (idiom)

2 to demand a lot of oneself

1 to be severe with oneself and lenient with others (idiom)

1 to punish severely (idiom)

1 to fit tightly (idiom)

2 to join seamlessly

3 to fit snugly