“把手伸入”可以翻译为“reach one's hand into” 或者 “put one's hand into” 。例如：
* He reached his hand into the box to feel for the key.（他把手伸进盒子里摸钥匙。）
* She put her hand into the pocket to get her phone.（她把手伸进口袋里拿手机。）