trilby

n man's soft felt hat with a narrow brim and the top part hollowed from front to back （男用）软毡帽.

tricky, tricolour (US tricolor), tricycle, trident, tried, triennial, triennially, trier, trifle, trifler, trifling, trigger, trigger-happy, triglyceride, trigonometric, trigonometrical, trigonometrically, trigonometry, trike, trilateral, trilaterally, trilingual, trill, trillion, trillionth, trilobite, trilogy, trim, trimaran, trimmer, trimming, trinitrotoluene, trinity, Trinity Sunday, trinket, trio, trip, trip sb. up, trip-wire, tripartite, tripe,