1 of

2 ~'s (possessive particle)

3 (used after an attribute)

4 (used to form a nominal expression)

5 (used at the end of a declarative sentence for emphasis)

1 if (coming after a conditional clause)

1 to hit the mark with a comment (idiom)

2 to say sth spot on

1 William A.P. Martin (1827-1916), American missionary who lived 62 years in China between 1850 and 1916, and helped found many Chinese colleges, first president of Peking University

1 bad

2 harmful

3 unhealthy

1 lit. grasshoppers tied together with a piece of string (idiom)

2 fig. people who are in it together for better or worse

3 people who will sink or swim together

1 to hit the target with a single shot

2 to say something spot on (idiom)

1 to hit the mark with a comment (idiom)

2 to say sth spot on

1 a boneheaded teammate can do you more harm than the most formidable opponent (idiom)

1 long illness makes the patient into a good doctor (idiom)