off-hand

adv.

立即，当即，事先没有准备地；

adj.

临时的；非正式的；随便的；无礼的

The Contrast in the Performance of Text-at-Hand and Text-Off-Hand English-Chinese Simultaneous Interpreting
Research on Off-hand Moment of Jump-shot Technique
DESIGNING AND COMING TRUE FOR OFF-HAND STATISTICS BUILDER
History Off-Hand: Bunnell's No-Man's Land
Manly Health and Training, With Off-Hand Hints Toward Their Conditions
Off-Hand Gate
ONE-OFF & OFF-HAND: DEVELOPING AN APPROPRIATE COURSE OF LIABILITY IN THREATENING ONLINE MASS COMMUNICATION EVENTS
SHOOTING OFF-HAND
Shooting Off-hand
Off-hand remarks