gong strokes announcing start of opera performance
Definitions (Wiktionary)
phrase, idiomatic
beating the gongs and drums before a theatrical performance; curtain-raiser
好在延安許多同志已有詳盡的文章，我的粗枝大葉的東西，就當作一番開台鑼鼓好了。
好在延安许多同志已有详尽的文章，我的粗枝大叶的东西，就当作一番开台锣鼓好了。
hǎo zài yá nān xǔ duō tóng zhì yǐ yǒu xiáng jìn de wén zhāng ， wǒ de cū zhī dà yè de dōng xi ， jiù dàng zuò yī fān kāi tái luó gǔ hǎo le ． Fortunately, there are many comrades in Yenan who have written at length in this field, so that my rough and ready words may serve the same purpose as the beating of the gongs before a theatrical performance.