愣: to look distracted, to stare blankly, distracted, blank, (coll.) unexpectedly, rash, rashly...
机制: machine processed, machine made, mechanism...
袜子: socks, stockings...
退步: to do less well than before, to make a concession, setback, backward step, leeway, room to maneuver, fallback...
正式: formal, official...
萝卜: radish (Raphanus sativus), esp. white radish...
赖: rely; poor; bilk ; disclaim...
集合: to gather, to assemble, set (math.)...
移民: to immigrate, to migrate, emigrant, immigrant...
可是: but, however, (used for emphasis) indeed...
