a. 即时的, 即席的, 无准备的, 随便的, 简慢的, 不友好的
adv. 即时地, 即席地, 随便地
s. casually thoughtless or inconsiderate
r. without previous thought or preparation
r. in a casually inconsiderate manner
1. offhand, no, but it's a safe bet someone is.
暂时没发现 但也不排除这种人存在的可能
2. It's a bad angle and I'd be shooting offhand.
角度不好 而且是无依托射击
3. Well, not right offhand, but II could look that up.
现在说不上来 但我可以查查
4. No, no, I can, I can use my offhand to fire.
不不 我可以 我可以用我另一只手开枪
5. offhand, I'd say we're being sucked into a weird portal thingy.
不知道 不过我们好像正在 被吸入一个奇怪的传送门
6. I can't give you an exact number, but offhand, this kind of testing can run you hundreds of thousands of dollars.
我无法给你确切报价 但是这种检验 粗估要花你几十万元
以上参考资料就是本英汉词典详细汇总的单词offhand的翻译英语含义，如有错漏请向我们提供反馈意见。