through thick and thinPROBLEMin spite of any difficulties or problems 赴汤蹈火，不畏艰险 Then, families stuck together through thick and thin. 那个时候，家家户户团结一致，无惧艰难。
through thick and thin• I'm so grateful to Barb- she's supported me through thick and thin.• The old pull of party allegiance, support for your party through thick and thin, is fading.
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