枯燥: dry and dull, uninteresting, dry-as-dust...
瓜子: melon seed, seeds of pumpkin, watermelon or sunflower etc, roasted and flavored, consumed as a snack...
肖像: portrait (painting, photo etc), (in a general sense) representation of a person, likeness...
禁止: to prohibit, to forbid, to ban...
餐: meal, to eat, classifier for meals...
辩证: to investigate, dialectical...
册: book, booklet, classifier for books...
锦上添花: add flowers to brocade (idiom), to give sth additional splendor, to provide the crowning touch, (derog.) to benefit sb who is already well off...
西餐: Western-style food...
念念不忘: to keep in mind constantly (idiom)...