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broken reed: one of the members of a group who is very weak and cannot be depended on in difficult situations.

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fell in with: to become friendly with a person or group of people after meeting them by chance.

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cool as a cucumber: calm and relaxed.

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make no bones: To say clearly what you think or feel about something, however unpleasant or awkward it.

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To drive home: give special importance or value to.

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as good as his word: Reliable; truthful.

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Dog in the manger: a person who has no need of, or ability to use, a possession that would be of use or value to others, but who prevents others from having it.