suitable [good] for both young and old; 老幼咸宜
appropriate; fitting and proper 适宜
should return home immediately; 宜速归
You should not act in haste. 不宜操之过急。
Yi Guike 宜桂可
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)