底线: to underline, bottom line, base line (in sports), baseline, minimum, spy, plant...
约定俗成: established by popular usage (idiom); common usage agreement, customary convention...
于是: thereupon, as a result, consequently, thus, hence...
桃花: peach blossom, love affair...
出路: a way out (and fig.), opportunity for advancement, a way forward, outlet (for one's products)...
截止: to close, to stop, to put a stop to sth, cut-off point, stopping point, deadline...
捐: to contribute, to donate, contribution, tax, to abandon...
指头: finger, toe...
夕阳: sunset, the setting sun...
志气: ambition, resolve, backbone, drive, spirit...