on an even keel

平稳的(地)，稳定的

ominously, omission, omit, omni-, omnibus, omnipotence, omnipotent, omnipresent, omniscience, omniscient, omnivorous, on, on (the/an) average, on a large scale, on a level with, on a river, on a small scale, on a weekly (daily basis), on account of, on an average, on and off, on average, on balance, on behalf of, on board, on business, on condition that, on credit, on cue, on diet, on display, on duty, on earth, on end, on file, on fire, on foot, on guard, on hand, on instalments,