他眼袋这么重，肯定是在争分夺秒地赶工。
He will have been working against the clock — the bags under his eyes tell the story.
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Will英 /wɪl/|美 /wɪl/
have英 /əv/|美 /əv/
been英 /biːn/|美 /bɪn/
working英 /ˈwɜːkɪŋ/|美 /ˈwərkɪŋ/
解释
`will have been working` 由当前外在迹象（眼袋）逆推此前持续的紧迫状态，will 是推测语气，have been working 是该推测的命题内容。
He will have been working against the clock — the bags under his eyes tell the story.
`will have been working` 由当前外在迹象（眼袋）逆推此前持续的紧迫状态，will 是推测语气，have been working 是该推测的命题内容。