ennui

n. 倦怠,厌倦

enjoyable, enjoyably, enjoyment, enkindle, enlarge, enlargement, enlarger, enlighten, enlightened, enlightening, enlightenment, enlinghtened, enlist, enlisted man, enlistment, enliven, enmesh, enmity, ennoble, ennoblement, enormity, enormous, enormously, enormousness, enough, enquire, enquire, enquiry, enquiry, enrage, enrapture, enrich, enrichment, enrol, enrol (also esp US enroll), enroll, enroll in, enrollment, enrolment, enrolment (also esp US enrollment), Ens,