空手
⇒てぶら（手ぶら）頼みごとがあるなら空手で行くのはまずいよIf you want to ask a favor of him, you'd better take a present.
素手
I〔裸の手〕素手でwith one's bare hands／barehanded毛虫を素手でつまみ上げるpick up a caterpillar with one's bare handII...
手ぶら
empty-handed手ぶらで出掛けたHe went out empty-handed.彼の家を手ぶらで訪ねるわけにいかないI can't call on him without taking...
empty
[形]（-ti・er；-ti・est）1 〈容器が〉からの（解説的語義）空いている（[連語] empty＋名：container/case/jar/tin/glass）empty cupboar...
He returned empty.
彼は手ぶらで戻った
