不規律地,不定地
Erratical \Er*rat"ic*al\, a.
Erratic. -- {Er*rat"ic*al*ly}, adv. -- {Er*rat"ic*al*ness},
n.
erratically
adv : in an erratic unpredictable manner; "economic changes are
proceeding erratically" [syn: {unpredictably}]