lose heart

丧失勇气，失去信心

lop-eared, lope, lopsided, loquacious, loquaciously, loquaciousness, loquacity, loquacity, loquat, lord, lordliness, lordly, Lords spiritual, Lords temporal, lordship, lore, lorgnette, lorn, lorry, Los Angeles, lose, lose no time, lose one's balance, lose one's breath, lose one's hair, lose one's head, lose one's heart to, lose one's nerves, lose one's temper, lose sight of, lose track, lose weight, loser, loss, loss-leader, lost, lost one's balance, lost one's temper, lost property, lost track, lot,