The phrase "alarms by surprise" refers to a situation where something unexpected happens, which causes alarm or concern. There are several synonyms that can be used for this phrase, such as "catches off guard," "takes aback," "shocks unexpectedly," "startles suddenly," and "surprises with alarm." These synonyms convey the sense of being taken by surprise and reacting with concern or anxiety. Other related phrases include "throws off balance," "disrupts routines," and "upsets the status quo." Whatever the phrasing used, the implication is that unexpected events can be jarring, but they can also provide an opportunity for growth and adaptation.