how shall I put it 我该怎么说呢；我怎样说才好呢

【例句】
The present market is, how shall I put it, taking a good turn?
目前的市场情况，我该怎么说呢？正在好转？

How shall I put it? I'd prefer it to come as a surprise to him.
我该怎说呢？我更希望给他一个惊喜。