在英语中，"teacher gives a hint" 可以说成 "the teacher gives a hint" 或 "the teacher provides a hint."
"Hint" 这个词有 "提示"、"线索" 或 "暗示" 的意思，来源于中古英语中的 "hinten"，意思是 "to give a sign or indication of something."
例句：
The teacher gave a hint about the answer to the math problem. (老师给出了有关数学题的答案的提示。)
Can you give me a hint about what to get my sister for her birthday? (你能给我一些关于我应该给我姐姐买什么生日礼物的提示吗？)
The detective followed the hints left by the thief to solve the case. (侦探跟踪着小偷留下的线索来解决案件。)