wane

1. V-I If something wanes, it becomes gradually weaker or less, often so that it eventually disappears. 減弱; 減少

While his interest in these sports began to wane, a passion for lacrosse developed. 他對(duì)這些運(yùn)動(dòng)項(xiàng)目的興趣開始減退的同時(shí)，對(duì)長(zhǎng)曲棍球的興趣卻濃厚起來。