by way of precaution

常见例句

雙語例句

• His cunning began here; he smiled habitually, by way of precaution, and was almost polite to everybody, even to the beggar to whom he refused half a farthing.
  他爲了防備他人而臉上經常帶笑，幾乎對所有的人，即使對一個曏他討一文錢而不得的乞丐，也都客客氣氣。
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