n.懈怠;
例句:
I intend to have my professional reputation compromised by the slackness of a few temporary officers.
我不想让几个临时军官的松松垮垮破坏了我的荣誉.
Because perhaps busy, the slackness ( very normal psychology ) after it is familiar with that perhaps.
也许是因为忙, 也许是因为熟悉之后的懈怠 ( 很正常的心理吧 ).
The Lord is not slack concerning His promise, as some count slackness.
主所应许的尚未成就, 有人以为他是耽延.