巧克力: chocolate (loanword)...
只管: solely engrossed in one thing, just (one thing, no need to worry about the rest), simply, by all means, please feel free, do not hesitate (to ask for sth)...
镜子: mirror...
迄今为止: so far, up to now, still (not)...
盏: a small cup, classifier for lamps...
所长: head of an institute etc...
知足: content with one's situation, to know contentment (hence happiness)...
转机: (to take) a turn for the better, to change planes...
通: classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)...
新闻: news...
