to lose focus or stop paying attention
失去焦点或不再专心 (shīqù jiāodiǎn huò bù zài zhuānxīn)
"I often zone out during long meetings when I'm exhausted."
"我在长时间的会议中常常失去焦点，尤其是当我很疲惫时。" (Wǒ chángcháng zài kāihuì shí **zōn ào dùrīng**，dāng wǒ gǎndào hěn lèi shí.)
to start a computer or operating system
to discuss something carefully to understand or solve it
to stop blaming yourself for past mistakes
to connect to a meeting or call, especially online
to discover something physically on someone or something
to give evidence in court against someone
