4. be afraid of ~ = ~À» µÎ·Á¿öÇÏ´Ù
(X) Laura is afraid from the dog.
(O) Laura is afraid of the dog.
5. aim at ~ = ~À» °Ü³ÉÇÏ´Ù, ³ë¸®´Ù; ~À» ¸ñÀûÀ¸·Î ÇÏ´Ù
(X) She aimed on(or against) the target.
(O) She aimed at the target,
Note: Use the preposition "at" to denote direction, throw at, shout at, fire at, shoot at.
Shoot (without the at) means to kill = He shot a bird. (= He hit and killed it.)
6. be angry with ~ = ~¿¡°Ô ȸ¦ ³»´Ù(È°¡ ³ª´Ù)
(X) The teacher was angry against him.
(O) The teacher was angry with him.
Note 1: We get angry with a person but at a thing = He was angry at the weather 'not with' the weather)
Note 2: Also annoyed with, vexed with, indignant with a person, but at a thing.