reticence

n.沉默寡言

retailer, retain, retainer, retaining wall, retake, retaliate, retaliation, retaliatory, retard, retardant, retardation, retarded, retch, retd, retell, retention, retentive, retentively, retentiveness, rethink, reticent, reticently, reticulated, reticulation, reticule, retina, retinue, retire, retired, retirement, retirement age, retiring, retort, retouch, retrace, retract, retractability, retractable, retractile, retraction,