“有事在手头上”可以翻译为 "I have things on my hands" 或 "I have matters to attend to"。
* "I have things on my hands":这是一种比较口语化的表达,直接传达了“手上有事情要做”的意思。
* "I have matters to attend to":这种表达更为正式,适用于需要礼貌或正式表达的场合,其中“attend to”意为“处理、照料”。