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Chinese dictionary
slthink long and hard; rack one's brains
他苦思冥想了半天，但还是拿不出什么主意来。
He racked his brains for a long time, but couldn't come up with any ideas.
她表现出一种苦思冥想的样子。
She had an air of pondering.
他苦思冥想了半天，但还是拿不出什么主意来。
He racked his brains for a long time, but couldn't come up with any ideas.
她表现出一种苦思冥想的样子。
She had an air of pondering.