脚跟: heel; footing 短语和例子站稳脚跟 stand firm; gain a firm foothold; 脚跟垫 heel pad
触及: (触动到) touch 短语和例子触及旧创 reopen [rip up] old scores; 触及灵魂 touch one to his very soul; touch sb.'s innermost being; 触及痛处 hit where it really hurts; touch a person on the raw; touch sb. where i
