- 1.
使形成条件反射；使习惯于；使适应 -
• He conditioned his horse before the race. 赛前他训练他的马以使其适应比赛。 -
• She has been conditioned to accept my reasoning. 她已经条件反射似地习惯于接受我的推理。 - 2.
正式 使取决于；决定；制约 -
• What he can buy is conditioned by the amount he earns. 他能买什么取决于他挣多少钱。 -
• His behaviour was conditioned by the circumstances. 他的行为受他所处环境的制约。 - 3.
使健康；使处于良好状态 -
• Your horse looks very well conditioned. 你的马看来状态良好。 -
• Exercise conditions your muscle. 运动可使你的肌肉发达。