Difficult to endure or deal with.
सहन करने या निपटने में कठिन।
English Usage: Climbing the mountain was a hard challenge for the inexperienced hikers.
Hindi Usage: पहाड़ पर चढ़ना inexperienced पर्वतारोहियों के लिए एक कठिन चुनौती थी।
A device that restricts the amplitude of a signal to prevent distortion.