by means of; through; via; to adopt; to pass through; to get through; to switch over[cedict]
联合
lián héㄌㄧㄢˊ ㄏㄜˊ
to combine; to join; unite; alliance[cedict]
小母
(n) (uk) (used with suffix -san or -sama) endearing term for unrelated older woman; (with suffix -san) term used by a child to address unrelated adult female[edict]