Avoiding a close relationship.
special relationship
A political and diplomatic relationship between two countries that is …
nodding acquaintance
A casual or partial familiarity; a relationship which is not close or …
at the best of times
Even under the most favourable conditions.
at the end of the day
In summary; ultimately.
at first
Initially; at the start; originally.
at a moment's notice
Immediately; instantaneously; without need of warning.