73. warn sb of danger = ~에게 위험을 경고하다
(X) They were warned about the danger.
(O) They were warned of the danger.
Note 1: Use warn about for specific things: They warned us about the bumps in the road.
Note 2: We warn a person against a fault: His teacher warned him against breaking the rules.
74. write in ink = 잉크로 쓰다
(X) I've written the letter with ink.
(O) I've written the letter in ink.
Note:
We use in when we are referring to the final work:
The drawing was done in charcoal. / Dora writes her letters in green ink.
When we are referring to the instrument used, we use with:
The children are learning to write with a pen. / Helen prefers to paint with a thin brush.
75. without + ~ing = ~ing 하는 것 없이
(X) Do your work without to speak.
(O) Do your work without speaking.
