mindmap root((保留)) keep may suggest a holding securely of something tangible or intangible in one's possession, custody, or control: keep this while I'm gone. retain implies continued keeping, especially against threatened seizure or forced loss: managed to ~ their dignity even in poverty. detain suggests a keeping through a delay in letting go: ~ed them for questioning. withhold implies a restraint in letting go or a refusal to let go, often for good reason: ~ information from the authorities. reserve suggests a keeping in store for other or future use: ~ some of your energy for the last mile.