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Phrase(s): keep on an even keel
Fig. to remain cool and calm. (Originally nautical.) • If Jane can keep on an even keel and not panic, she will be all right. • Try to keep on an even keel and not get upset so easily., Phrase(s): keep something on an even keel
Fig. to keep something in a steady and untroubled state. • The manager cannot keep the firm on an even keel any longer. • When the workers are unhappy, it is difficult to keep the factory on an even keel.
McGrawhill's American Idioms And Phrasal Verbs