The motor hummed pleasantly as the plane reached cruising speed.

飞机达到最高速度时，马达发出的嗡嗡声很好听。

youdao

I was pleasantly surprised, flying to them at full speed. Beside the lake, beneath the trees, all the golden daffodils were fluttering their sleeves and dancing in the breeze.

我惊喜地向它们飞去，碧水畔，绿荫下，它们迎着清风，甩起金黄的水袖，翩翩起舞。

youdao

It is all in the plan, and of necessity once we start to put these matters right, you will be pleasantly surprised at the speed of operations.

这都在计划之中，那时我们非常必要把这些问题纠正，你们会欣喜若狂于这些处理的速度。

youdao

"What is pleasantly surprising, however, is the speed at which some of these stores have been picked up, by value and grocery stores in particular, " said Mr Cartwright.

BBC: Closed shop