challenging

US /ˈtʃæl.ɪn.dʒɪŋ/
UK /ˈtʃæl.ɪn.dʒɪŋ/
"challenging" picture
1.

menantang, sulit

testing one's abilities; demanding

:
Learning a new language can be very challenging.
Mempelajari bahasa baru bisa sangat menantang.
She took on a challenging new role at work.
Dia mengambil peran baru yang menantang di tempat kerja.