1.pin down 弄明確
It has taken until now to pin down its exact location.
一直到現在才確定了它的準確位置1S7+1_.*8i29。
2.make of 從 (某事物) 中得出 (某印象、看法、理解等)
Nancy wasn't sure what to make of Mick's apology.
南希不確定該怎樣看待米克的道歉_k%MM.2qodx3*#,)Sc。
3.brag about 吹噓
On the outside, Brazilian leaders understandably like to brag about their growing ties with China.
可以理解，巴西領導人對外喜歡吹噓他們與中國的聯系日益緊密i!vyi4AM%u9al1VpoKQ。
4.be weary of 對…感到厭倦
They're getting awfully weary of this silly war.
他們對這場愚蠢的戰爭感到極其厭倦~.eQ&7BX.UGLHu||&。
5.back up 證實
Radio signals received from the galaxy's centre back up the black hole theory.
從該星系中心接收到的無線電信號證實了黑洞理論jfxTiELn@t5ow=p。