| 例句 |
on tiptoephrase paying close attention usually for the purpose of anticipating approaching danger or opportunityShe always felt pressure to remain on tiptoe when dealing with her grouchy uncle. alert, Argus-eyed, attentive, awake, observant, open-eyed, tenty(also tentie, Scottish), vigilant, watchful, wide-awake alive, aware, conscious, sensitivecognizant, heedful, keen, mindful, observing, regardful, sharp, sharp-eyedhyperalert, hypervigilant, sleepless, wakefulcareful, cautious, chary, waryprepared, ready on guard, on one's toes, on the alert, on the ball, on the qui vive asleep absent, absentminded, absorbed, abstracted, daydreaming, dazed, distracted, dreaming, dreamy, engrossed, faraway, insensible, oblivious, preoccupiedsleeping, unaware, unconscious, unknowing, unwittingcareless, heedless, inattentive, unheeding, unmindful, unthinking, unwaryunprepared, unready |