1 to think (i.e. to take it to be true that ...) (Usually there is an implication that the notion is mistaken – except when expressing one's own current opinion.)

1 because

2 owing to

3 on account of

1 to become

2 to turn into

1 as (in the capacity of)

2 to take sth as

3 to act as

4 to serve as

5 to behave as

6 to become

7 to be

8 to do

9 by (in the passive voice)

1 in order to

2 for the purpose of

3 so as to

1 once is more than enough (idiom)

1 one divides into two

2 to be two-sided

3 there are two sides to everything

4 to see both sb's good points and shortcomings (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. teacher for one day, father for ever (idiom)

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

2 fig. one is helpless alone