We just won't know until we've tried it.

我们要试过了才知道行不行得通。

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"They just figured these people don't know very much so we won't ask them," says John Amagoalik, an Inuit leader and politician.

因纽特人领导人和政治家约翰·阿马戈阿利克说：“他们只是认为这些人知道的不多，所以我们不会去问他们。”

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I just can't let our company sell cars that we know are unsafe; if management won't do something, I'll secretly call out the media hounds.

我不能眼看公司销售有安全隐患的车；若主管不采取措施，我要暗地里促请舆论的注意。

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We just won't know the kick it holds until we've spent some time with it.

ENGADGET: Windows Phone 8S by HTC hands-on: a bright Windows phone that holds promise (video)

We won't know just how bad it is until the weather warms and inspectors can take a really close look at the crops.

NPR: Cold Weather Damages California Crops

Just so you know it won't hurt our feelings as we do.

ENGADGET: Sound and Vision crowns Toshiba's HD DVD player Product of the Year