(of breathing 呼吸 slow and taking a lot of effort 缓慢而困难的 Her breathing became more and more labored. 她的呼吸越来越困难。
(of writing, speaking, etc. 写作、说话等 not natural and seeming to take a lot of effort 不自然的；费力的；矫揉造作的 The movie looks labored and slow by today's standards. 按照今天的标准，这部电影看起来很辛苦，而且动作缓慢。