"she was tactful enough not to shatter his illusion" "a tactful remark eased her embarrassment"
"by diplomatic conduct he avoided antagonizing anyone" "a tactful way of correcting someone" "the agency got the kid-glove treatment on Capitol Hill"
A tactful man..writes nothing likely to offend public opinion.
The..architect..had a reputation for the tactful handling of old houses.
牛津高阶第八版
美国韦氏词典
Dictionary.com
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维基百科 (自由的百科全书)