reluctant

a.不愿意的，勉强的

reliant, relic, relief, relief map, relief road, relieve, relieve sb. of, relieved, religion, religious, religiously, religiousness, relinquish, relinquishment, reliquary, relish, relive, relocate, relocation, reluctance, reluctantly, rely, rely on, remain, remainder, remains, remake, remand, remand centre, remand home, remark, remark on, remarkable, remarkably, remarriage, remarry, remediable, remedial, remedy, remember, remember doing,