愣 (w)

(lèng) to look distracted; to stare blankly; distracted; blank; (coll.) unexpectedly; rash; rashly

愣劲儿 (w)

(lèngjìnr) dash; pep; vigor

愣干 (w)

(lènggàn) to do things recklessly; to persist in doing sth in one's own way

愣神儿 (w)

(lèngshénr) to stare blankly; to be in a daze

愣说 (w)

(lèngshuō) to insist; to allege; to assert

愣头儿青 (w)

(lèngtóurqīng) hothead; rash individual

愣头愣脑 (w)

(lèngtóulèngnǎo) rash; impetuous; reckless