difficult to ascertain

difficult to ascertain的基本解释

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捉摸不定

与difficult to ascertain相关的网络例句 [注：此内容来源于网络，仅供参考]

It becomes difficult to ascertain whether or not a character is a delimiter or a data item, and by using a printable character such as a colon as a delimiter, you are limiting the number of allowed characters in your data, which may not be desirable .

用可打印的字符串比如冒号来作定界符，将会很难分辨一个字符到底是数据还是定界符。而且还会限定你能用在数据项里面的字符数量，而这不是你想要的。

Thus, when a child has an adverse reaction to the shot, it is often difficult to ascertain which component of the vaccine (or of the several simultaneously administered vaccines) was responsible.

因此，当一个孩子对于注射有有害反应的时候，经常难以确定疫苗的哪一部分出了问题。

One of the predicaments of rich people is that they find it difficult to ascertain if their friends are true to them or their money.

有钱人的烦恼之一就是，他们很难确定身边的朋友是真心对待自己，还是仅仅为了钱而和自己交往。