متسلسل بالانجليزي

مُتَسَلْسِلٌ أَيْ يَفْعَلُ الشَّيْءَ نَفْسَهُ بِالطَّرِيْقَةِ نَفْسِهَا مَرَّاتٍ عَدِيْدَةٍ

[only before noun] doing the same thing in the same way several times; done in the same way several times

نُوَاجِهُ قَاتِلًا مُتَسَلْسِلًا يَسْتَهْدِفُ النِّسَاءَ الشَّابَّاتِ

We are facing a serial killer targets young women

أَكْثَرُ جَرَائِمِ القَتْلِ المُتَسَلْسِلِ شُهْرَةً فِيْ البِلَادِ

the country's most infamous serial killings (= murders)

one after another in a series, without interruption

هُزِمْنَا سَبْعَةَ مُبَارَيَاتٍ مُتَسَلْسِلَةً

We have been defeated three straight matches

رَبِحْتُ الانْتِخَابَاتِ مَرَّتَيْنِ مُتَسَلْسِلَتَيْنِ

I won the election two straight times