重點講解：
1. be responsible for 負有責任的；應(yīng)承擔責任的；
The teacher is not responsible for the student's success or failure. They are only there to help the student learn.
教師對學生的成敗并不負有責任，其職責只是幫助學生學習2+x)ZQ*Rrm5_q&。
2. so far 迄今為止；到目前為止；
There's been no comment so far from police about the allegations.
到目前為止，警方對這些指控還沒有發(fā)表任何評論c-*I7k[s)3vgO5L。
3. pull out of 退出，撤出（協(xié)議、比賽或組織）；
David had to pull out of the Championships when his horse went lame.
戴維不得不退出錦標賽，因為他的馬瘸了+T=NTLiuRhdR。
4. encourage sb. to do sth. 鼓勵；激勵；
We want to encourage people to go fishing, not put them off.
我們希望鼓勵人們?nèi)ゴ贯灒皇谴蛳麄兊臒崆?span style="display:none">-8D=HVo5-^。