get down to

英文造句：

1. Let's get down to (discussing) the nitty-gritty.
   咱們著手探討實際情況吧。
2. That's enough fun and games! Let's get down to work.
   別再玩兒了! 咱們安下心來工作吧。
3. Let's get down to business.
   讓我們言歸正傳吧。
4. Let's get down to the work[problem].
   咱們開始來進行這項工作[解決這個問題]。
5. I must get down to study tonight, as I have gotten exam next week.
   我必須今晚開始認真學習，因為下周要考試。
6. I wish he'd stop mucking about and get down to some serious work.
   我希望他不要再吊兒郎當，開始認真地做點工作。