1 ten million

2 countless

3 many

4 one must by all means

1 difficult

2 challenging

3 straitened circumstances

4 difficult situation

1 surname Wan

1 to have all one's wishes (idiom)

2 best wishes

3 all the best

4 may all your hopes be fulfilled

1 difficult (to...)

2 problem

3 difficulty

4 difficult

5 not good

1 one man can hold the pass against ten thousand enemies (idiom)

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 small capital, huge profit (idiom); to put in a little and get a lot out

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