unpleasant/ʌn'plezənt/

a. not pleasant or comfortable

a. 使人不愉快的；令人不适的：an unpleasant experience 不快的经历

◇an unpleasant smell 令人不适的气味

构词un- + pleasant

常犯错误

✗ He is unpleasant to talk.

✓ He is unpleasant to talk to.

✓ It's unpleasant to talk to him. 与他谈话让人不快。