fainthearted ['feɪnth'ɑ:tɪd]

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附加级

a.懦弱的,无精神的,胆小的

This is no time to be fainthearted. 现在不是怯懦的时候。
The future doesn't belong to the fainthearted; it belongs to the brave. 未来不属于弱者，未来属于强者。