1 | Second, beware of extremes. | |
2 | We watch our backs, weigh the odds, pack an umbrella. | |
3 | The doctor must always guard against passing on disease to his family. | |
4 | Trickiest of all perhaps, Mr Geithner must beware of over-promising. | |
5 | The McCartneys are, understandably, a little wary of the media these days. |