三思而后行 sānsī'érhòuxíng think twice before acting Definitions Defs Origin Strokes Stroke Words Sentences Sents 三思 sānsī verb to think twice to think carefully; to consider over and over again before acting而后 而後 érhòu conjunction then used to connect clauses or phrases to indicate that one action follows another; equivalent to 然后 ránhòu行 xíng verb to do to do; to perform; to carry out; to engage in