1. if something becomes necessary You can always call me at home if need be. We'll leave without them if need be.
if need be 例句
英汉例句
germany and other surplus countries must do more to sustain growth, if need be by borrowing more when, as now, demand is weak.
德国和其他盈余国应该为了维持增长付出更多努力,如果需要,就要在像现在一样需求疲软的时候借入更多。
but it is the fsa's threat to 「take further measures」 if need be by, say, limiting stock lending during rights issues, that has really spooked short-sellers.