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念のため， 念の為， ねんのため
1. just to make sure, just to be sure, for confirmation
2. just in case, for caution's sake, by way of precaution
tbd
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言う， 云う， 謂う， いう， ゆう
1. to say, to utter, to declare
2. to name, to call
3. to go (e.g. "the alarm went ping"), to make a noise
说，宣读，声明；称呼；发出(例如：警报响了‘叮’的一声)，发出声响
