“苟”怎么读？

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但是迦勒底祭司的传统依然苟延不废.The tradition of the Chaldean priests still lingered.苟不努力, 必将落后.If you do not make any effort, you are bound to lag behind.你行事苟简,我不放心把这件事交给你.You are so careless that I can't leave this matter to you...