A more subtle performance will be needed. 演技还需进一步打磨

146. This juvenile is fooling no-one.
     这条年轻的迷彩鲷骗不到任何鱼
147. Perhaps faking his death will be more believable.
     也许假装猝死会更可信
148. Blown it.
     搞砸了
149. A more subtle performance will be needed.
     演技还需进一步打磨
150. This is more convincing.
     这次更逼真了
151. But his aim must be better than that.
     但显然还需要继续提高
152. Nearly.
     就差一点

来自《行星地球 第三季 第四集 Planet Earth S03E04 淡水》第 149 行