I wasn't good at it, and I didn't like studying it.
我不精于此道, 也不爱去学它。
She was so stunned, that she couldn't speak.
她惊愕得说不出话来。
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.