公式formula; universally applicable method
关注follow with interest; follow a blog
别扭disagreeable; difficult to deal with
心理psychology; thoughts, emotions, etc.
打折give a discount; not do as promised
捐款contribute money; contribution
救灾provide disaster relief; ward off disaster
来回make a round trip; a round/return trip
来往come and go; contact/intercourse/exchange
深情deep feeling/love/affection; affectionate
环保environmental protection; environmentally friendly
瞪open wide; glare with displeasure