使无力
2.warfare using chemical agents to kill or injure or incapacitate the enemy.
5.Try to nap in the morning or just after lunch; human circadian rhythms make late afternoons a more likely time to fall into deep (slow-wave) sleep, which will leave you groggy.
6.The dazzled bewilderment was fading, a numbness and lethargy that was not so much a weariness of body as it was a weariness of spirit that made her feet seem too heavy to lift, her heart too heavy to bear.
