bemerkenswert
remarkable
Deserving attention because it is unusual, especially good, or interesting; exceptional.
Es ist bemerkenswert, wie schnell sie die neue Sprache gelernt hat.
It is remarkable how quickly she learned the new language.

remarkable
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remarkable
Deserving attention because it is unusual, especially good, or interesting; exceptional.
Es ist bemerkenswert, wie schnell sie die neue Sprache gelernt hat.
It is remarkable how quickly she learned the new language.

The word is a combination of the verb 'bemerken' (to notice) and the suffix '-wert' (-worthy). So something that is 'bemerkenswert' (remarkable) is literally 'worth being noticed.'
Ihre Fortschritte im letzten Monat sind wirklich bemerkenswert.
Her progress over the last month is truly remarkable.
A very common construction is the impersonal form 'Es ist bemerkenswert, ...' (It is remarkable, ...), followed by a subordinate clause with 'wie' (how), 'dass' (that), or 'mit welcher/welchem...' (with what...).
Es ist bemerkenswert, mit welcher Ruhe sie die schwierige Situation gemeistert hat.
It is remarkable with what calm she handled the difficult situation.
As an adjective, 'bemerkenswert' (remarkable) often comes before nouns that describe an achievement or quality, for example: 'eine bemerkenswerte Leistung' (a remarkable achievement), 'ein bemerkenswertes Talent' (a remarkable talent), or 'eine bemerkenswerte Entwicklung' (a remarkable development).
Der Sportler zeigte eine bemerkenswerte Leistung im Finale.
The athlete gave a remarkable performance in the final.
amazing
'erstaunlich' and 'bemerkenswert' are close in meaning because both can describe something special. However, 'erstaunlich' puts more emphasis on surprise: you would not have expected it that way. 'bemerkenswert' is more about something deserving attention because it is special, interesting, or unusual. It does not necessarily have to be surprising. The words can be confused when something is unusual. As a guide: 'erstaunlich' fits a reaction like amazement, while 'bemerkenswert' fits a more factual evaluation.

Bei der Bewerbung sind seine guten Sprachkenntnisse besonders bemerkenswert.
In the application, his good language skills are especially remarkable.
Nach nur zwei Wochen Training läuft sie erstaunlich schnell.
After only two weeks of training, she runs amazingly fast.