噛み分ける
彼は世の中の酸いも甘いもかみ分けた男だHe has tasted [experienced] the bitter and the sweet of life.そこのところをよくかみ分けることが...
酸い
sour; acid ⇒すっぱい(酸っぱい)おじは世の中の酸いも甘いもかみわけた人だMy uncle has known both the bitter and the sweet of life.
すいもあまいもかみわけた【酸いも甘いもかみわけた】
おじは世の中の酸いも甘いもかみわけた人だMy uncle has known both the bitter and the sweet of life.