In other words, don't hate the game, hate the player. Or at least his lack of skills.

换句话说，不要恨游戏，要恨就恨玩家自己吧，谁叫你武力不够高强呢。

David saw the lack of skill in the efforts of the servants.

大卫看到仆人们的努力缺乏技巧。

You may find the task too challenging, which may be caused by a lack of confidence, a lack of skills, or both.

你可能会发现这项任务太具挑战性，这可能是由于缺乏信心、缺乏技能或两者兼而有之。

Extreme poverty, illiteracy and a lack of skills guarantee that workers and their families readily provide such labor, even if that means they are bonded for life.

极端贫困、文盲和缺乏技能保证工人和他们的家庭愿意提供这样的劳动力，即使这意味着他们终生被束缚。