leery

She was leery of the new investment scheme because it promised unusually high returns.

用法提示：形容词leery表示猜疑、不信任，后接介词of引出怀疑的对象。

The dog growled at the stranger, looking leery and ready to defend its owner.

用法提示：leery在此表示警惕、猜疑，通过动物的行为体现其本义。

I'm leery about buying a used car without a mechanic's inspection.

用法提示：leery与介词about连用，表示对某种行为或情况的不信任和谨慎。