1 to look after

2 to take care of

3 to watch

4 to guard

1 to demand

2 to request

3 to coerce

1 main

2 principal

3 major

4 primary

1 if only

2 so long as

1 good-looking

2 nice-looking

3 good (of a movie, book, TV show etc)

4 embarrassed

5 humiliated

1 to see through something at first glance (idiom)

1 lit. not for the monk's sake but for the Buddha's sake (idiom)

2 fig. (to do sth for sb) out of deference to sb else

1 don't insist on only taking one road to Rome (idiom)

2 there's more than one way to skin a cat

1 a blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study (idiom)

1 to hit the target and do real damage (idiom)

2 fig. to hit where it hurts

3 fig. to hit home

4 an argument that hits the nail on the head