suffice /səˈfais/ vi. 足够：suffice for…满足…/足够…之用： The stock in hand will only suffice for fifty days. 现有的存货够供应50天。suffice (it) to say (that)有把握地说：Suffice (it) to say, Mike won’t be going to Tina’s birthday party after what he said about her to her boss.根据迈克在老板跟前说了有关蒂娜的那些话就可以肯定地说他不会参加她的生日聚会的。
sufficient /səˈfiʃənt/ adj. 足够的，充分的：be sufficient for sb.’s needs 足够满足某人的需要It is sufficient to feed a hundred men. 足够供养一百个人。［考句］The European Union countries were once worried that they would not have sufficient supplies of petroleum.欧盟国家曾经担忧没有充足的石油供应。
［辨析］与abundant, plentiful, enough辨见abundant
sufficiently adv. 足够，充足地
