up不是动词。cheerup.the worst hasn&#39；t happened yet .别灰心，最坏的事还未发生。cheerup.it&#39；ll all come right in the end .想开些，到头来总会好的。i couldn&#39；t lookup.my eyes were getting wet .我眼泪盈眶，抬不起头来。do n&#39；t clearup.i have n&#39；t finished yet .别收拾，我还没吃完哩。