1 difficult

2 challenging

3 straitened circumstances

4 difficult situation

1 to forget

1 diary

2 classifier: 则 zé

3 classifier: 本 běn

4 classifier: 篇 piān

1 Journey to the West, Ming dynasty novel by Wu Cheng'en 吳承恩|吴承恩, one of the Four Classic Novels of Chinese literature

2 also called Pilgrimage to the West or Monkey

1 to record

2 to note

3 to memorize

4 to remember

5 mark

6 sign

7 classifier for blows, kicks, shots

1 lit. An interval of time is worth an ounce of gold, money cannot buy you time. (idiom)

2 fig. Time is precious and must be treasured.

1 lit. a single post cannot prop up a falling house (idiom)

2 fig. one is helpless alone

1 lit. once said, a team of horses cannot unsay it (idiom); a promise must be kept

1 hard to explain in a few words (idiom); complicated and not easy to express succinctly

1 there is nothing the determined person can't accomplish (idiom)

2 persistence will overcome